4270666 has 4 divisors (see below), whose sum is σ = 6406002. Its totient is φ = 2135332.

The previous prime is 4270639. The next prime is 4270667. The reversal of 4270666 is 6660724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3136441 + 1134225 = 1771^2 + 1065^2 .

It is not an unprimeable number, because it can be changed into a prime (4270667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067665 + ... + 1067668.

Almost surely, 2^4270666 is an apocalyptic number.

4270666 is a deficient number, since it is larger than the sum of its proper divisors (2135336).

4270666 is a wasteful number, since it uses less digits than its factorization.

4270666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135335.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 4270666 is about 2066.5589756888. The cubic root of 4270666 is about 162.2427139589.

The spelling of 4270666 in words is "four million, two hundred seventy thousand, six hundred sixty-six".